55263959 has 2 divisors, whose sum is σ = 55263960. Its totient is φ = 55263958.

The previous prime is 55263947. The next prime is 55263983. The reversal of 55263959 is 95936255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55263959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55263919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27631979 + 27631980.

It is an arithmetic number, because the mean of its divisors is an integer number (27631980).

Almost surely, 2^55263959 is an apocalyptic number.

55263959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55263959 is an equidigital number, since it uses as much as digits as its factorization.

55263959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 364500, while the sum is 44.

The square root of 55263959 is about 7433.9732983109. The cubic root of 55263959 is about 380.9026533055.

The spelling of 55263959 in words is "fifty-five million, two hundred sixty-three thousand, nine hundred fifty-nine".